Sliquid Naturals Swirl is a group of extra tasty, extra slick, flavored water based lubricants, all glycerin and paraben free.All Swirl formulations start with Sliquid’s original Naturals H2O water based lubricant, and are subtle, because they are intended to enhance your taste, not disguise it. All Sliquid products are formulated by sensitive women, for sensible women.